OFFICIAL NHTSA RECALL
91V169000
Fuel System, Gasoline:delivery:fuel Pump
Reported Oct 1, 1991 · THOMAS BUILT BUSES, INC.
Summary
THE FUEL SHUT-OFF SOLENOID IN THE CUMMINS 6C ENGINE MAY BE FAULTY, CAUSING SPONTANEOUS INTERRUPTION OF FUEL FLOW TO THE ENGINE DURING NORMAL OPERATION. THIS RESULTS IN LOSS OF POWER TO DRIVING WHEELS, POWER STEERING, AND OTHER POWER ASSISTED OPERATING SYSTEMS.
Consequence
LOSS OF ENGINE POWER AND SECONDARY LOSS OF POWER ASSISTEDSYSTEMS REDUCES STEERING CONTROL, BRAKING ABILITY, VISUAL SYSTEMS AND OTHERPOWER ASSISTED OPERATING SYSTEMS, RESULTING IN INCREASED RISK OF VEHICLEACCIDENT.
Remedy
WHERE NECESSARY, REPLACE THE SOLENOID SPRING, ADJUST SOLENOID, REPLACE WIRES, AND VERIFY MAXIMUM POWER REQUIREMENTS TO THE SOLENOID.
Notes
SYSTEM: FUEL PUMP.VEHICLE DESCRIPTION: BUSES AND SCHOOL BUSES WITH CUMMINS 6C ENGINES.
This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.
Vehicle entries in this campaign
This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗